observability

package
v0.1.9 Latest Latest
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 Go to latest Published: Oct 28, 2025 License: MIT Imports: 7 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func GetSpanContext 

func GetSpanContext(ctx context.Context) (string, bool)

GetSpanContext retrieves span context from context.Context

func GetTraceContext 

func GetTraceContext(ctx context.Context) (string, bool)

GetTraceContext retrieves trace context from context.Context

Types

type Alert 

type Alert struct {
	ID           string
	Rule         string
	Severity     AlertSeverity
	Message      string
	Details      map[string]interface{}
	StartTime    time.Time
	LastUpdate   time.Time
	FireCount    int
	Acknowledged bool
	Resolved     bool
	ResolvedAt   time.Time
}

Alert represents an active alert

type AlertCondition 

type AlertCondition func(ctx context.Context, data map[string]interface{}) bool

AlertCondition is a function that evaluates alert conditions

type AlertConfig 

type AlertConfig struct {
	EnableAlerts    bool
	MaxActiveAlerts int
	MaxHistory      int
}

AlertConfig contains alert configuration

type AlertEvent 

type AlertEvent struct {
	Timestamp time.Time
	Type      AlertEventType
	AlertID   string
	Rule      string
	Severity  AlertSeverity
	Message   string
}

AlertEvent represents an alert event in history

type AlertEventType 

type AlertEventType string

AlertEventType represents alert event type 

const (
	// AlertEventTypeFired alert fired
	AlertEventTypeFired AlertEventType = "fired"
	// AlertEventTypeAcknowledged alert acknowledged
	AlertEventTypeAcknowledged AlertEventType = "acknowledged"
	// AlertEventTypeResolved alert resolved
	AlertEventTypeResolved AlertEventType = "resolved"
)

type AlertHandler 

type AlertHandler func(alert *Alert)

AlertHandler handles alert notifications

type AlertManager 

type AlertManager struct {
	// contains filtered or unexported fields
}

AlertManager manages alerts and notifications for consensus issues

func NewAlertManager 

func NewAlertManager(nodeID string, config AlertConfig, logger forge.Logger) *AlertManager

NewAlertManager creates a new alert manager

func (*AlertManager) AcknowledgeAlert 

func (am *AlertManager) AcknowledgeAlert(alertID string) error

AcknowledgeAlert acknowledges an alert

func (*AlertManager) ClearResolvedAlerts 

func (am *AlertManager) ClearResolvedAlerts() int

ClearResolvedAlerts clears resolved alerts from memory

func (*AlertManager) DisableRule 

func (am *AlertManager) DisableRule(ruleName string) error

DisableRule disables an alert rule

func (*AlertManager) EnableRule 

func (am *AlertManager) EnableRule(ruleName string) error

EnableRule enables an alert rule

func (*AlertManager) EvaluateRule 

func (am *AlertManager) EvaluateRule(ctx context.Context, ruleName string, data map[string]interface{})

EvaluateRule evaluates an alert rule

func (*AlertManager) GetActiveAlerts 

func (am *AlertManager) GetActiveAlerts() []*Alert

GetActiveAlerts returns all active alerts

func (*AlertManager) GetAlertsBySeverity 

func (am *AlertManager) GetAlertsBySeverity(severity AlertSeverity) []*Alert

GetAlertsBySeverity returns alerts by severity

func (*AlertManager) GetCriticalAlerts 

func (am *AlertManager) GetCriticalAlerts() []*Alert

GetCriticalAlerts returns critical alerts

func (*AlertManager) GetHistory 

func (am *AlertManager) GetHistory(limit int) []AlertEvent

GetHistory returns alert history

func (*AlertManager) GetStatistics 

func (am *AlertManager) GetStatistics() AlertStatistics

GetStatistics returns alert statistics

func (*AlertManager) MonitorAlerts 

func (am *AlertManager) MonitorAlerts(ctx context.Context, interval time.Duration, dataProvider func() map[string]interface{})

MonitorAlerts monitors and evaluates alert rules

func (*AlertManager) RegisterHandler 

func (am *AlertManager) RegisterHandler(handler AlertHandler)

RegisterHandler registers an alert handler

func (*AlertManager) RegisterRule 

func (am *AlertManager) RegisterRule(rule *AlertRule)

RegisterRule registers a new alert rule

func (*AlertManager) ResolveAlert 

func (am *AlertManager) ResolveAlert(alertID string) error

ResolveAlert resolves an alert

type AlertRule 

type AlertRule struct {
	Name        string
	Condition   AlertCondition
	Severity    AlertSeverity
	Description string
	Enabled     bool
	Cooldown    time.Duration
	// contains filtered or unexported fields
}

AlertRule defines conditions for triggering alerts

type AlertSeverity 

type AlertSeverity string

AlertSeverity represents alert severity 

const (
	// AlertSeverityCritical critical severity
	AlertSeverityCritical AlertSeverity = "critical"
	// AlertSeverityHigh high severity
	AlertSeverityHigh AlertSeverity = "high"
	// AlertSeverityMedium medium severity
	AlertSeverityMedium AlertSeverity = "medium"
	// AlertSeverityLow low severity
	AlertSeverityLow AlertSeverity = "low"
)

type AlertStatistics 

type AlertStatistics struct {
	TotalAlerts        int64
	ActiveAlerts       int64
	CriticalAlerts     int64
	HighAlerts         int64
	MediumAlerts       int64
	LowAlerts          int64
	AcknowledgedAlerts int64
	ResolvedAlerts     int64
}

AlertStatistics contains alert statistics

type HealthCheckFunc 

type HealthCheckFunc func(ctx context.Context) internal.HealthCheck

HealthCheckFunc is a function that performs a health check

type HealthChecker 

type HealthChecker struct {
	// contains filtered or unexported fields
}

HealthChecker performs comprehensive health checks

func NewHealthChecker 

func NewHealthChecker(
	config HealthCheckerConfig,
	logger forge.Logger,
	raftNode internal.RaftNode,
	clusterManager internal.ClusterManager,
	storage internal.Storage,
	transport internal.Transport,
) *HealthChecker

NewHealthChecker creates a new health checker

func (*HealthChecker) Check 

func (hc *HealthChecker) Check(ctx context.Context) internal.HealthStatus

Check performs all health checks

func (*HealthChecker) GetHealthStatus 

func (hc *HealthChecker) GetHealthStatus(ctx context.Context) internal.HealthStatus

GetHealthStatus returns the current health status

func (*HealthChecker) IsHealthy 

func (hc *HealthChecker) IsHealthy(ctx context.Context) bool

IsHealthy returns true if the system is healthy

func (*HealthChecker) RegisterCheck 

func (hc *HealthChecker) RegisterCheck(name string, fn HealthCheckFunc)

RegisterCheck registers a custom health check

func (*HealthChecker) UnregisterCheck 

func (hc *HealthChecker) UnregisterCheck(name string)

UnregisterCheck unregisters a health check

type HealthCheckerConfig 

type HealthCheckerConfig struct {
	Timeout time.Duration
}

HealthCheckerConfig contains health checker configuration

type LogConfig 

type LogConfig struct {
	EnableBuffer     bool
	BufferSize       int
	EnableTracing    bool
	EnableStructured bool
	SampleRate       float64
}

LogConfig contains logging configuration

type LogEntry 

type LogEntry struct {
	Timestamp time.Time
	Level     LogLevel
	Operation string
	Message   string
	Fields    map[string]interface{}
	TraceID   string
	SpanID    string
	NodeID    string
}

LogEntry represents a structured log entry

type LogFilter 

type LogFilter struct {
	Level     LogLevel
	Operation string
	TraceID   string
	StartTime time.Time
	EndTime   time.Time
}

LogFilter filters log entries

func (LogFilter) Matches 

func (lf LogFilter) Matches(entry LogEntry) bool

Matches checks if entry matches filter

type LogLevel 

type LogLevel string

LogLevel represents log level 

const (
	// LogLevelDebug debug level
	LogLevelDebug LogLevel = "debug"
	// LogLevelInfo info level
	LogLevelInfo LogLevel = "info"
	// LogLevelWarn warning level
	LogLevelWarn LogLevel = "warn"
	// LogLevelError error level
	LogLevelError LogLevel = "error"
)

type LogManager 

type LogManager struct {
	// contains filtered or unexported fields
}

LogManager manages structured logging for consensus operations

func NewLogManager 

func NewLogManager(nodeID string, config LogConfig, logger forge.Logger) *LogManager

NewLogManager creates a new log manager

func (*LogManager) ClearBuffer 

func (lm *LogManager) ClearBuffer()

ClearBuffer clears the log buffer

func (*LogManager) Debug 

func (lm *LogManager) Debug(ctx context.Context, operation, message string, fields ...interface{})

Debug logs a debug message

func (*LogManager) Error 

func (lm *LogManager) Error(ctx context.Context, operation, message string, fields ...interface{})

Error logs an error message

func (*LogManager) ExportLogs 

func (lm *LogManager) ExportLogs(filter LogFilter) []map[string]interface{}

ExportLogs exports logs in structured format

func (*LogManager) GetBuffer 

func (lm *LogManager) GetBuffer(limit int) []LogEntry

GetBuffer returns buffered log entries

func (*LogManager) GetErrorLogs 

func (lm *LogManager) GetErrorLogs(limit int) []LogEntry

GetErrorLogs returns error logs

func (*LogManager) GetLogsByLevel 

func (lm *LogManager) GetLogsByLevel(level LogLevel, limit int) []LogEntry

GetLogsByLevel returns logs filtered by level

func (*LogManager) GetLogsByOperation 

func (lm *LogManager) GetLogsByOperation(operation string, limit int) []LogEntry

GetLogsByOperation returns logs for a specific operation

func (*LogManager) GetLogsByTrace 

func (lm *LogManager) GetLogsByTrace(traceID string) []LogEntry

GetLogsByTrace returns logs for a specific trace

func (*LogManager) GetRecentLogs 

func (lm *LogManager) GetRecentLogs(duration time.Duration, limit int) []LogEntry

GetRecentLogs returns most recent logs

func (*LogManager) GetStatistics 

func (lm *LogManager) GetStatistics() LogStatistics

GetStatistics returns logging statistics

func (*LogManager) GetWarningLogs 

func (lm *LogManager) GetWarningLogs(limit int) []LogEntry

GetWarningLogs returns warning logs

func (*LogManager) Info 

func (lm *LogManager) Info(ctx context.Context, operation, message string, fields ...interface{})

Info logs an info message

func (*LogManager) LogClusterChange 

func (lm *LogManager) LogClusterChange(ctx context.Context, event string, nodeID string, memberCount int)

LogClusterChange logs cluster membership changes

func (*LogManager) LogElection 

func (lm *LogManager) LogElection(ctx context.Context, event string, term uint64, candidateID string)

LogElection logs election-related events

func (*LogManager) LogPerformance 

func (lm *LogManager) LogPerformance(ctx context.Context, operation string, duration time.Duration, success bool)

LogPerformance logs performance metrics

func (*LogManager) LogReplication 

func (lm *LogManager) LogReplication(ctx context.Context, event string, followerID string, index uint64)

LogReplication logs replication events

func (*LogManager) LogSnapshot 

func (lm *LogManager) LogSnapshot(ctx context.Context, event string, index uint64, size int64)

LogSnapshot logs snapshot events

func (*LogManager) LogStateChange 

func (lm *LogManager) LogStateChange(ctx context.Context, event string, index uint64)

LogStateChange logs state machine changes

func (*LogManager) SearchLogs 

func (lm *LogManager) SearchLogs(filter LogFilter) []LogEntry

SearchLogs searches buffered logs

func (*LogManager) Warn 

func (lm *LogManager) Warn(ctx context.Context, operation, message string, fields ...interface{})

Warn logs a warning message

type LogStatistics 

type LogStatistics struct {
	TotalLogs    int64
	DebugLogs    int64
	InfoLogs     int64
	WarnLogs     int64
	ErrorLogs    int64
	BufferedLogs int
}

LogStatistics contains logging statistics

type MetricsCollector 

type MetricsCollector struct {
	// contains filtered or unexported fields
}

MetricsCollector collects and exports consensus metrics

func NewMetricsCollector 

func NewMetricsCollector(config MetricsConfig, metrics forge.Metrics, logger forge.Logger) *MetricsCollector

NewMetricsCollector creates a new metrics collector

func (*MetricsCollector) GetMetrics 

func (mc *MetricsCollector) GetMetrics() map[string]interface{}

GetMetrics returns current metrics as a map

func (*MetricsCollector) RecordApplyLatency 

func (mc *MetricsCollector) RecordApplyLatency(latencyMs float64)

RecordApplyLatency records a state machine apply latency

func (*MetricsCollector) RecordConfigChange 

func (mc *MetricsCollector) RecordConfigChange()

RecordConfigChange records a configuration change

func (*MetricsCollector) RecordElection 

func (mc *MetricsCollector) RecordElection(success bool)

RecordElection records an election event

func (*MetricsCollector) RecordLeadershipTransfer 

func (mc *MetricsCollector) RecordLeadershipTransfer()

RecordLeadershipTransfer records a leadership transfer

func (*MetricsCollector) RecordLogAppend 

func (mc *MetricsCollector) RecordLogAppend(success bool)

RecordLogAppend records a log append event

func (*MetricsCollector) RecordReplicationLatency 

func (mc *MetricsCollector) RecordReplicationLatency(latencyMs float64)

RecordReplicationLatency records a replication latency

func (*MetricsCollector) RecordSnapshot 

func (mc *MetricsCollector) RecordSnapshot(success bool)

RecordSnapshot records a snapshot event

func (*MetricsCollector) Start 

func (mc *MetricsCollector) Start(ctx context.Context) error

Start starts the metrics collector

func (*MetricsCollector) Stop 

func (mc *MetricsCollector) Stop(ctx context.Context) error

Stop stops the metrics collector

func (*MetricsCollector) UpdateGauges 

func (mc *MetricsCollector) UpdateGauges(stats internal.ConsensusStats)

UpdateGauges updates gauge metrics

type MetricsConfig 

type MetricsConfig struct {
	NodeID             string
	CollectionInterval time.Duration
	EnableHistograms   bool
	HistogramSize      int
}

MetricsConfig contains metrics collector configuration

type Span 

type Span struct {
	SpanID    string
	ParentID  string
	TraceID   string
	Operation string
	StartTime time.Time
	EndTime   time.Time
	Duration  time.Duration
	Tags      map[string]interface{}
	Logs      []SpanLog
	Status    SpanStatus
}

Span represents a span within a trace

type SpanLog 

type SpanLog struct {
	Timestamp time.Time
	Message   string
	Fields    map[string]interface{}
}

SpanLog represents a log entry within a span

type SpanStatus 

type SpanStatus string

SpanStatus represents span status 

const (
	// SpanStatusActive span is active
	SpanStatusActive SpanStatus = "active"
	// SpanStatusComplete span completed successfully
	SpanStatusComplete SpanStatus = "complete"
	// SpanStatusError span completed with error
	SpanStatusError SpanStatus = "error"
)

type Trace 

type Trace struct {
	TraceID     string
	OperationID string
	Operation   string
	StartTime   time.Time
	EndTime     time.Time
	Duration    time.Duration
	Spans       []*Span
	Tags        map[string]interface{}
	Status      TraceStatus
	// contains filtered or unexported fields
}

Trace represents a distributed trace

type TraceStatus 

type TraceStatus string

TraceStatus represents trace status 

const (
	// TraceStatusActive trace is active
	TraceStatusActive TraceStatus = "active"
	// TraceStatusComplete trace completed successfully
	TraceStatusComplete TraceStatus = "complete"
	// TraceStatusError trace completed with error
	TraceStatusError TraceStatus = "error"
)

type TracingConfig 

type TracingConfig struct {
	Enabled          bool
	SampleRate       float64 // 0.0 to 1.0
	MaxTraces        int
	MaxSpansPerTrace int
}

TracingConfig contains tracing configuration

type TracingManager 

type TracingManager struct {
	// contains filtered or unexported fields
}

TracingManager manages distributed tracing for consensus operations

func NewTracingManager 

func NewTracingManager(config TracingConfig, logger forge.Logger) *TracingManager

NewTracingManager creates a new tracing manager

func (*TracingManager) AddSpanLog 

func (tm *TracingManager) AddSpanLog(span *Span, message string, fields map[string]interface{})

AddSpanLog adds a log to a span

func (*TracingManager) ClearOldTraces 

func (tm *TracingManager) ClearOldTraces(olderThan time.Duration) int

ClearOldTraces clears traces older than duration

func (*TracingManager) EndSpan 

func (tm *TracingManager) EndSpan(span *Span, err error)

EndSpan ends a span

func (*TracingManager) EndTrace 

func (tm *TracingManager) EndTrace(trace *Trace, err error)

EndTrace ends a trace

func (*TracingManager) ExportTrace 

func (tm *TracingManager) ExportTrace(traceID string) (map[string]interface{}, error)

ExportTrace exports a trace in a structured format

func (*TracingManager) GetActiveTraces 

func (tm *TracingManager) GetActiveTraces() []*Trace

GetActiveTraces returns all active traces

func (*TracingManager) GetStatistics 

func (tm *TracingManager) GetStatistics() TracingStatistics

GetStatistics returns tracing statistics

func (*TracingManager) GetTrace 

func (tm *TracingManager) GetTrace(traceID string) (*Trace, error)

GetTrace retrieves a trace by ID

func (*TracingManager) SetSpanTag 

func (tm *TracingManager) SetSpanTag(span *Span, key string, value interface{})

SetSpanTag sets a tag on a span

func (*TracingManager) SetTraceTag 

func (tm *TracingManager) SetTraceTag(trace *Trace, key string, value interface{})

SetTraceTag sets a tag on a trace

func (*TracingManager) StartSpan 

func (tm *TracingManager) StartSpan(ctx context.Context, operation string) (*Span, context.Context)

StartSpan starts a new span within a trace

func (*TracingManager) StartTrace 

func (tm *TracingManager) StartTrace(ctx context.Context, operation string) (*Trace, context.Context)

StartTrace starts a new trace

type TracingStatistics 

type TracingStatistics struct {
	TotalTraces     int64
	ActiveTraces    int64
	CompletedTraces int64
	ErrorTraces     int64
	TotalSpans      int64
	AverageDuration time.Duration
}

TracingStatistics contains tracing statistics

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